Tire insert



FIG. 1 is a left side view of a tire insert, showing the new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top, front and right side perspective view thereof; and,

FIG. 8 is a cross section view of the tire insert of FIG. 4, taken along line 8-8.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a tire insert, as shown and described. 